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mars1129 [50]
3 years ago
11

What subtraction sentence does this show?

Mathematics
1 answer:
Vesna [10]3 years ago
6 0

Answer:

b

Step-by-step explanation:

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Robin has 10 books. Thère is enough space on a shelf for 4 books. In how many ways can 4 of the 10 books bearranged on the shelf
sveticcg [70]

If the 10 books are all different, we have:

• 10 ways of selecting the first book,

,

• 9 ways of selecting the second book,

,

• 8 ways of selecting the third book,

,

• 7 ways of selecting the fourth book.

The total number of ways to arrange 4 of the 10 books is:

10\cdot9\cdot8\cdot7=5040.

Answer

There are 5040 ways of arranging the books.

7 0
1 year ago
Help Would Be Greatly Appreciated :)
aliina [53]

Answer:

n is y=\frac{1}{2}x+b, p is y=\frac{1}{2}x-5, and r has infinitely many different lines that have this property.

Step-by-step explanation:

If two lines have no solutions, that means that they are parallel. The slopes of two lines are the same if they are parallel. So n's slope is \frac{1}{2}. The y-intercept can be anything except -5, or +b. If two lines have infinitely many solutions, those two lines are exactly the same. So p is just m. If two lines have one and only one solution, that just means the slopes and y-intercepts are different. Since we don't know anything else about line r, we an't model an equation for it.

4 0
3 years ago
the tallest tree in the forest is 150 feet from the water tower. unfortunatly in a lightning storm the tallest tree was struck a
gogolik [260]
The interior angles of a triangle add up to 180

180 - 97 - 34 = 49

150 / Sin 34 =  b / Sin 49

multiply both sides by Sin 49

(Sin (49)* 150) / Sin 34 = b

b = 270.39 feet


3 0
3 years ago
Find the missing length triangle <br> a=4,b=?,c=11
Novay_Z [31]

Answer:

c Po ung ans :))))))))))))))))))

7 0
3 years ago
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a) What is the probability that a person selected at random from the general population is senior citizen who will get the flu t
Greeley [361]
<span>The probability that a person selected at random from the general population is senior citizen who will get the flu this season is 0.14 x 0.18 = 0.0252</span>
7 0
3 years ago
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